The bachelor's thesis focuses on comparison of the effectiveness of promotional activities a luxusy division of L'Oréal company, the largest cosmetic company in the world. The main aim of this banchelor's thesis is to assess the effectiveness of promotional activities. That activities are practically applied in various types of outlets, such as Prague shops and duty free shops in Prague airport. In theoretical part of the work are described terms of marketing communication, especially communiaction mix and its individual units. That theoretical findings are applied to the practical part. In this part is introduced L'Oréal brand and its luxury division and then are analysed promotion activities of L'Oréal CZ and its effectiveness